LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Cadillac
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2006
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STS V
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 4.4L - DTC P0196 To P0496
>>
DTC P0420 or P0430
>>
DTC Descriptors
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DTC Descriptors
DTC P0420
Catalyst System Low Efficiency Bank 1
DTC P0430
Catalyst System Low Efficiency Bank 2